Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 95542 Ethyl acetate, 10mg/mL in water, 1ml Price on request PFAC-MXB Native PFCAs and PFSAs Solution/Mix, 2µg/ml in MeOH, 1,2ml Price on request 9274.20-K-ME Naltrexone hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 16676-29-2 Price on request